CVE-2021-44047: Opendesign Drawings SDK

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected products

• Opendesign Drawings SDK: before 2022.11 (fixed in 2022.11)

Published 2021-12-05. Last modified 2026-06-17.